Home / 1,191,191.03-1,785,996.65-432,942.47

Finding the Fourth Proportional to 1,191,191.03, 1,785,996.65 and 432,942.47

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Solution

The fourth proportional to 1,191,191.03, 1,785,996.65 and 432,942.47 is: 649,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,191.03 : 1,785,996.65 = 432,942.47 : x
  2. Step 2: Convert to fraction form
    1,191,191.03/1,785,996.65 = 432,942.47/x
  3. Step 3: Cross multiply
    1,191,191.03x = 1,785,996.65 × 432,942.47
  4. Step 4: Simplify right side
    1,191,191.03x = 773,233,793,215.10
  5. Step 5: Solve for x
    x = 773,233,793,215.10/1,191,191.03
  6. Step 6: Final answer
    x = 649,126.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.